From: Lang Yu <Lang.Yu@amd.com>
Date: Thu, 12 Oct 2023 09:48:40 +0000 (+0800)
Subject: drm/amdgpu/umsch: add suspend and resume callback
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ab29ac57ad0b3ab0be7c7635e585651da9f2cd2c;p=linux.git

drm/amdgpu/umsch: add suspend and resume callback

Add missing IP callbacks.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
index 1c523eb5f3424..ca45ba8ac1715 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
@@ -843,6 +843,20 @@ static int umsch_mm_hw_fini(void *handle)
 	return 0;
 }
 
+static int umsch_mm_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return umsch_mm_hw_fini(adev);
+}
+
+static int umsch_mm_resume(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return umsch_mm_hw_init(adev);
+}
+
 static const struct amd_ip_funcs umsch_mm_v4_0_ip_funcs = {
 	.name = "umsch_mm_v4_0",
 	.early_init = umsch_mm_early_init,
@@ -851,6 +865,8 @@ static const struct amd_ip_funcs umsch_mm_v4_0_ip_funcs = {
 	.sw_fini = umsch_mm_sw_fini,
 	.hw_init = umsch_mm_hw_init,
 	.hw_fini = umsch_mm_hw_fini,
+	.suspend = umsch_mm_suspend,
+	.resume = umsch_mm_resume,
 };
 
 const struct amdgpu_ip_block_version umsch_mm_v4_0_ip_block = {